32477478973 has 2 divisors, whose sum is σ = 32477478974. Its totient is φ = 32477478972.

The previous prime is 32477478961. The next prime is 32477478983. The reversal of 32477478973 is 37987477423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32390280729 + 87198244 = 179973^2 + 9338^2 .

It is a cyclic number.

It is not a de Polignac number, because 32477478973 - 2¹⁷ = 32477347901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32477478983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16238739486 + 16238739487.

It is an arithmetic number, because the mean of its divisors is an integer number (16238739487).

Almost surely, 2^32477478973 is an apocalyptic number.

It is an amenable number.

32477478973 is a deficient number, since it is larger than the sum of its proper divisors (1).

32477478973 is an equidigital number, since it uses as much as digits as its factorization.

32477478973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49787136, while the sum is 61.

The spelling of 32477478973 in words is "thirty-two billion, four hundred seventy-seven million, four hundred seventy-eight thousand, nine hundred seventy-three".